Imagine rooting around your basement and finding $454,000. That's one way to brighten your day, er, your entire existence! That's what happened in February 2016 when an anonymous collector sold Spider-Man comic book Amazing Fantasy #15 for $454,813 in Dallas, the most ever paid for a Spider-Man comic at public auction. Let's be honest, we're not all that lucky. But you might be wondering if your comics gathering dust can fetch you big cash. That's where this blog post comes in: We'll break down what you need to know about valuable comic books, and also include a handy guide on...